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#!/usr/bin/env python3
import asyncio
import jinja2
import aiohttp_jinja2
import json
import os
import re
import __py_include
from io import StringIO
from typing import Optional, Union
from homekit.config import config, AppConfigUnit
from homekit.util import homekit_path, filesize_fmt, seconds_to_human_readable_string
from homekit.modem import E3372, ModemsConfig, MacroNetWorkType
from aiohttp import web
from homekit import http
class WebKbnConfig(AppConfigUnit):
NAME = 'web_kbn'
@classmethod
def schema(cls) -> Optional[dict]:
return {
'listen_addr': cls._addr_schema(required=True),
'assets_public_path': {'type': 'string'}
}
STATIC_FILES = [
'bootstrap.min.css',
'bootstrap.min.js',
'polyfills.js',
'app.js',
'app.css'
]
def get_js_link(file, version) -> str:
if version:
file += f'?version={version}'
return f'<script src="{config.app_config["assets_public_path"]}/{file}" type="text/javascript"></script>'
def get_css_link(file, version) -> str:
if version:
file += f'?version={version}'
return f'<link rel="stylesheet" type="text/css" href="{config.app_config["assets_public_path"]}/{file}">'
def get_head_static() -> str:
buf = StringIO()
for file in STATIC_FILES:
v = 2
try:
q_ind = file.index('?')
v = file[q_ind+1:]
file = file[:file.index('?')]
except ValueError:
pass
if file.endswith('.js'):
buf.write(get_js_link(file, v))
else:
buf.write(get_css_link(file, v))
return buf.getvalue()
def get_modem_data(modem_cfg: dict, get_raw=False) -> Union[dict, tuple]:
cl = E3372(modem_cfg['ip'], legacy_token_auth=modem_cfg['legacy_auth'])
signal = cl.device_signal
status = cl.monitoring_status
traffic = cl.traffic_stats
if get_raw:
device_info = cl.device_information
dialup_conn = cl.dialup_connection
return signal, status, traffic, device_info, dialup_conn
else:
network_type_label = re.sub('^MACRO_NET_WORK_TYPE(_EX)?_', '', MacroNetWorkType(int(status['CurrentNetworkType'])).name)
return {
'type': network_type_label,
'level': int(status['SignalIcon']) if 'SignalIcon' in status else 0,
'rssi': signal['rssi'],
'sinr': signal['sinr'],
'connected_time': seconds_to_human_readable_string(int(traffic['CurrentConnectTime'])),
'downloaded': filesize_fmt(int(traffic['CurrentDownload'])),
'uploaded': filesize_fmt(int(traffic['CurrentUpload']))
}
class WebSite(http.HTTPServer):
_modems_config: ModemsConfig
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._modems_config = ModemsConfig()
aiohttp_jinja2.setup(
self.app,
loader=jinja2.FileSystemLoader(homekit_path('web', 'kbn_templates')),
autoescape=jinja2.select_autoescape(['html', 'xml']),
)
env = aiohttp_jinja2.get_env(self.app)
env.filters['tojson'] = lambda obj: json.dumps(obj, separators=(',', ':'))
self.app.router.add_static('/assets/', path=homekit_path('web', 'kbn_assets'))
self.get('/main.cgi', self.get_index)
self.get('/modems.cgi', self.get_modems)
self.get('/modems/info.ajx', self.get_modems_ajax)
self.get('/modems/verbose.cgi', self.get_modems_verbose)
async def render_page(self,
req: http.Request,
template_name: str,
title: Optional[str] = None,
context: Optional[dict] = None):
if context is None:
context = {}
context = {
**context,
'head_static': get_head_static()
}
if title is not None:
context['title'] = title
response = aiohttp_jinja2.render_template(template_name+'.j2', req, context=context)
return response
async def get_index(self, req: http.Request):
return await self.render_page(req, 'index',
title="Home web site")
async def get_modems(self, req: http.Request):
return await self.render_page(req, 'modems',
title='Состояние модемов',
context=dict(modems=self._modems_config))
async def get_modems_ajax(self, req: http.Request):
modem = req.query.get('id', None)
if modem not in self._modems_config.getkeys():
raise ValueError('invalid modem id')
modem_cfg = self._modems_config.get(modem)
loop = asyncio.get_event_loop()
modem_data = await loop.run_in_executor(None, lambda: get_modem_data(modem_cfg))
html = aiohttp_jinja2.render_string('modem_data.j2', req, context=dict(
modem_data=modem_data,
modem=modem
))
return self.ok({'html': html})
async def get_modems_verbose(self, req: http.Request):
modem = req.query.get('id', None)
if modem not in self._modems_config.getkeys():
raise ValueError('invalid modem id')
modem_cfg = self._modems_config.get(modem)
loop = asyncio.get_event_loop()
signal, status, traffic, device, dialup_conn = await loop.run_in_executor(None, lambda: get_modem_data(modem_cfg, True))
data = [
['Signal', signal],
['Connection', status],
['Traffic', traffic],
['Device info', device],
['Dialup connection', dialup_conn]
]
modem_name = self._modems_config.getfullname(modem)
return await self.render_page(req, 'modem_verbose',
title=f'Подробная информация о модеме "{modem_name}"',
context=dict(data=data, modem_name=modem_name))
if __name__ == '__main__':
config.load_app(WebKbnConfig)
server = WebSite(config.app_config['listen_addr'])
server.run()
|
